Q620C quenched tempered Steel plate, GB/T 16270 Q620C

 

 

GB/T 16270-2009 Q620C High strength structural steel plates in the quenched and tempered condition

Q620C Chemical requirement 

 

Grade

Chemical requirement or element  Max %

 

 

C

Si

Mn

P

S

Cu

Cr

Ni

Mo

B

V

Nb

Ti

 

Q620C

0.2

0.8

1.7

0.025

0.015

0.5

1.5

2

0.7

0.005

0.12

0.06

0.05

 
 
 
 

 

Q620C Property in tensile and yield strength, and impact test requirement

 

Grade

Property

Impact test

Q620C

Yield Mpa Min

Tensile Mpa

Elongation

Min J

Thickness mm

Thickness mm

Degree

50

50-100

100-150

50

50-100

100-150

%

0

-20

-40

-60

620

580

560

700-890

650-830

15

47

 

 

 

 

HENAN GANG IRON AND STEEL CO.,LTDSupply Q620C in about 3000tons stock for many thickness and sizes. If you have requirement for stock or new Q620C requirement, please feel free to contact us or email to us by admin@gangsteel.com

 

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